The 7 strangest things the Curiosity rover beamed back from Mars (PHOTOS/VIDEOS)

It’s five years to the day since NASA’s Curiosity Mars rover touched down on the surface of Mars – a staggering 248 million kilometers (154 million miles) from Earth.

Curiosity has many a space nerd hooked to its updates, providing huge quantities of images and data to trawl through, and inspiring endless speculation over the Red Planet’s features (and inhabitants).

To mark Curiosity’s five years roaming our nearest planetary neighbor, RT.com takes a look back at some of the strangest images it beamed back to Earth.

1. Dust devils

Curiosity captured this amazing footage of dust devils whirling spectacularly on Mars as summer winds blew across the Red planet. Dust devils form as a result of sunshine warming the ground, causing the convective rising of air.

This Curiosity image of its rocky Martian surroundings prompted UFO enthusiasts to claim it as evidence of an alien spacecraft on Mars. Funny how alien craft are eerily similar to those thought up by movie writers here on Earth!

The rover’s mission is to study Mars and determine if it hosts – or ever hosted – life. This photo of dusty, jagged rocks looks pretty innocuous at first glance, but some eagle-eyed observers claim it clearly shows a ‘space crab’ lurking in the shadows. One Mars exploration fanpage on Facebook even suggested it bore an eerie resemblance to the creepy facehuggers from the Alien movies.

5. The Coffin

Still from Youtube video (WhatsUpInTheSky37) / YouTube

Aliens don’t bury their dead – apparently, they just leave them in coffins on Mars’ surface for all eternity. At least that’s what was suggested when this oblong shape was snapped by Curiosity in late 2014.

Curiosity channeled its own narcissistic celebrity with a series of images last year. The Red Planet selfie, looking somewhat like a holiday snap, comprises of 60 images taken while drilling into rock.